Equations

1-Step

100

2+x=5

3

200

-7+x=2

9

300

-3.8=x/2

7.6

400

5x=45

9

500

1/2x=2

4

Like Terms

100

2x+4y-3y

2x+y

200

9b-4b+6a-1a

5b+5a

300

-7c-4c+10y-4x

-11c+10y-4x

400

1/2x+1/2x-2y-2y

x-4y

500

3/4y+1/2y+7w-2w+5k

5/4y+5w+5k

Distributive Property

100

1(x-4)

x-4

200

2(6+y)

12+2y

300

4(x+2-b)

4x+8-4b

400

9(2.2-z+2-w)

37.8-9z-9w

500

1/2(x+4-y)

1/2x+9/2-1/2y

2-Step

100

3x+1=10

x=3

200

x/2-4=6

x=20

300

4x+9=5

x=-1

400

2.5x-7=12

x=7.6

500

3/4y-1=7

10.67

Combination

100

2+1-3x=6

-1

200

2(x-4)=2

x=5

300

3(x+2)-7=10

x=3.67

400

5(5-3x+2)=20

x=1

500

3(4a+2a-6.4)=9

a=1.57